AQSQID: 840080290007

Site Name: Paonia

Location: Delta Co, CO

Reporting: True, Located: True

Current AQI: 38.0

Delta Co CO, US: 38.8763, -107.6022

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 18, 2019, 1 a.m. 6.1 ppb (6) 1.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 50.0 ppb (38) N/A 28.0 μg/m3 (25) 6.4 μg/m3 (27) 38.0
 
July 18, 2019, midnight 3.1 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 55.0 ppb (42) N/A 21.0 μg/m3 (19) 6.8 μg/m3 (28) 42.0
 
July 17, 2019, 11 p.m. 1.3 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 56.0 ppb (43) N/A 20.0 μg/m3 (18) 5.2 μg/m3 (22) 43.0
 
July 17, 2019, 10 p.m. 1.9 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 57.0 ppb (44) N/A 15.0 μg/m3 (14) 6.8 μg/m3 (28) 44.0
 
July 17, 2019, 9 p.m. 2.1 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 56.0 ppb (43) N/A 16.0 μg/m3 (15) 9.0 μg/m3 (38) 43.0
 
July 17, 2019, 8 p.m. 1.7 ppb (2) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (40) N/A 12.0 μg/m3 (11) 2.8 μg/m3 (12) 40.0
 
July 17, 2019, 7 p.m. 2.0 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (39) N/A 11.0 μg/m3 (10) 2.7 μg/m3 (11) 39.0
 
July 17, 2019, 6 p.m. 1.5 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A 13.0 μg/m3 (12) 2.8 μg/m3 (12) 38.0
 
July 17, 2019, 5 p.m. 1.7 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) N/A 13.0 μg/m3 (12) 6.5 μg/m3 (27) 36.0
 
July 17, 2019, 4 p.m. 2.0 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (34) N/A 27.0 μg/m3 (25) 11.4 μg/m3 (48) 48.0
 
July 17, 2019, 3 p.m. 2.9 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) N/A 23.0 μg/m3 (21) 4.9 μg/m3 (20) 26.0
 
July 17, 2019, 2 p.m. 2.8 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (23) N/A 22.0 μg/m3 (20) 8.0 μg/m3 (33) 33.0
 
July 17, 2019, 1 p.m. 4.0 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) N/A 13.0 μg/m3 (12) 4.9 μg/m3 (20) 21.0
 
July 17, 2019, noon 4.7 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (19) N/A 19.0 μg/m3 (17) 6.3 μg/m3 (26) 26.0
 
July 17, 2019, 11 a.m. 2.7 ppb (3) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A 6.0 μg/m3 (5) 5.2 μg/m3 (22) 22.0
 
July 17, 2019, 10 a.m. 2.1 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) N/A 7.0 μg/m3 (6) 3.6 μg/m3 (15) 22.0
 
July 17, 2019, 9 a.m. 1.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A 14.0 μg/m3 (13) 5.8 μg/m3 (24) 24.0
 
July 17, 2019, 8 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A 8.0 μg/m3 (7) 8.5 μg/m3 (35) 35.0
 
July 17, 2019, 7 a.m. 2.2 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A 33.0 μg/m3 (30) 11.4 μg/m3 (48) 48.0
 
July 17, 2019, 6 a.m. 1.2 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) N/A 14.0 μg/m3 (13) 3.5 μg/m3 (15) 27.0
 
July 17, 2019, 5 a.m. 1.3 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) N/A 7.0 μg/m3 (6) 5.6 μg/m3 (23) 28.0
 
July 17, 2019, 4 a.m. 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A 9.0 μg/m3 (8) 4.5 μg/m3 (19) 30.0
 
July 17, 2019, 3 a.m. 3.9 ppb (4) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) N/A 6.0 μg/m3 (5) 3.5 μg/m3 (15) 27.0
 
July 17, 2019, 2 a.m. 6.5 ppb (6) 1.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (28) N/A 14.0 μg/m3 (13) 4.1 μg/m3 (17) 28.0
 
July 17, 2019, 1 a.m. 2.3 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A 12.0 μg/m3 (11) 4.5 μg/m3 (19) 33.0
 
July 17, 2019, midnight 2.5 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A 13.0 μg/m3 (12) 2.3 μg/m3 (10) 35.0
 
July 16, 2019, 11 p.m. 1.5 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) N/A 11.0 μg/m3 (10) 4.1 μg/m3 (17) 36.0
 
July 16, 2019, 10 p.m. 2.0 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A 10.0 μg/m3 (9) 1.4 μg/m3 (6) 37.0
 
July 16, 2019, 9 p.m. 2.3 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) N/A 6.0 μg/m3 (5) 5.5 μg/m3 (23) 36.0
 
July 16, 2019, 8 p.m. 1.8 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) N/A 8.0 μg/m3 (7) 3.1 μg/m3 (13) 36.0
 
July 16, 2019, 7 p.m. 1.2 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A 8.0 μg/m3 (7) 1.2 μg/m3 (5) 37.0
 
July 16, 2019, 6 p.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) N/A 0.0 μg/m3 (0) 2.0 μg/m3 (8) 35.0
 
July 16, 2019, 5 p.m. 1.8 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A -4.0 μg/m3 (0) 7.1 μg/m3 (30) 33.0
 
July 16, 2019, 4 p.m. 1.3 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) N/A 19.0 μg/m3 (17) 5.5 μg/m3 (23) 28.0
 
July 16, 2019, 3 p.m. 1.8 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A 15.0 μg/m3 (14) 7.5 μg/m3 (31) 31.0
 
July 16, 2019, 2 p.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A 16.0 μg/m3 (15) 6.3 μg/m3 (26) 26.0
 
July 16, 2019, 1 p.m. 2.3 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) N/A 9.0 μg/m3 (8) 4.3 μg/m3 (18) 22.0
 
July 16, 2019, noon 2.2 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (22) N/A 7.0 μg/m3 (6) 2.6 μg/m3 (11) 22.0
 
July 16, 2019, 11 a.m. 1.7 ppb (2) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A 22.0 μg/m3 (20) 6.7 μg/m3 (28) 28.0
 
July 16, 2019, 10 a.m. 1.7 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) N/A N/A 2.1 μg/m3 (9) 21.0
 
July 16, 2019, 9 a.m. 1.4 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) N/A 9.0 μg/m3 (8) 4.0 μg/m3 (17) 21.0
 
July 16, 2019, 8 a.m. 1.5 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) N/A 3.0 μg/m3 (3) 4.2 μg/m3 (18) 21.0
 
July 16, 2019, 7 a.m. 1.3 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) N/A 10.0 μg/m3 (9) -2.4 μg/m3 (0) 21.0
 
July 16, 2019, 6 a.m. 1.0 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A 9.0 μg/m3 (8) 4.6 μg/m3 (19) 22.0
 
July 16, 2019, 5 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A 7.0 μg/m3 (6) 4.6 μg/m3 (19) 23.0
 
July 16, 2019, 4 a.m. 0.9 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A 9.0 μg/m3 (8) 4.2 μg/m3 (18) 24.0
 
July 16, 2019, 3 a.m. 1.4 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A 8.0 μg/m3 (7) 2.8 μg/m3 (12) 25.0
 
July 16, 2019, 2 a.m. 1.4 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) N/A 6.0 μg/m3 (5) 6.0 μg/m3 (25) 28.0
 
July 16, 2019, 1 a.m. 1.4 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A 14.0 μg/m3 (13) 9.4 μg/m3 (39) 39.0
 
July 16, 2019, midnight 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A 28.0 μg/m3 (25) 6.8 μg/m3 (28) 32.0
 
July 15, 2019, 11 p.m. 1.7 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A 22.0 μg/m3 (20) 2.7 μg/m3 (11) 31.0
 
July 15, 2019, 10 p.m. 1.7 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) N/A 1.0 μg/m3 (1) 1.0 μg/m3 (4) 32.0
 
July 15, 2019, 9 p.m. 1.6 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A 8.0 μg/m3 (7) 2.8 μg/m3 (12) 33.0
 
July 15, 2019, 8 p.m. 1.4 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A 2.0 μg/m3 (2) 2.8 μg/m3 (12) 33.0
 
July 15, 2019, 7 p.m. 1.2 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) N/A 4.0 μg/m3 (4) 0.6 μg/m3 (2) 34.0
 
July 15, 2019, 6 p.m. 1.2 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) N/A -2.0 μg/m3 (0) 4.7 μg/m3 (20) 34.0
 
July 15, 2019, 5 p.m. 1.9 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A 1.0 μg/m3 (1) 6.2 μg/m3 (26) 32.0
 
July 15, 2019, 4 p.m. 1.4 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A 4.0 μg/m3 (4) 8.4 μg/m3 (35) 35.0
 
July 15, 2019, 3 p.m. 1.8 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A N/A 7.3 μg/m3 (30) 30.0
 
July 15, 2019, 2 p.m. 1.9 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A 24.0 μg/m3 (22) 5.3 μg/m3 (22) 22.0
 
July 15, 2019, 1 p.m. 1.6 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A 19.0 μg/m3 (17) 6.5 μg/m3 (27) 27.0
 
July 15, 2019, noon 1.4 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A 38.0 μg/m3 (35) 5.2 μg/m3 (22) 35.0
 
July 15, 2019, 11 a.m. 1.5 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A 12.0 μg/m3 (11) 4.5 μg/m3 (19) 23.0
 
July 15, 2019, 10 a.m. 1.4 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A 1.0 μg/m3 (1) 1.9 μg/m3 (8) 23.0
 
July 15, 2019, 9 a.m. 1.0 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A 18.0 μg/m3 (16) 5.4 μg/m3 (23) 24.0
 
July 15, 2019, 8 a.m. 1.1 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A 12.0 μg/m3 (11) 3.9 μg/m3 (16) 24.0
 
July 15, 2019, 7 a.m. 1.0 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A 10.0 μg/m3 (9) 8.8 μg/m3 (37) 37.0
 
July 15, 2019, 6 a.m. 0.9 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A 6.0 μg/m3 (5) 3.8 μg/m3 (16) 26.0
 
July 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 2.7 μg/m3 (11) 11.0
 
July 15, 2019, 4 a.m. 1.2 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) N/A 2.0 μg/m3 (2) 4.7 μg/m3 (20) 27.0
 
July 15, 2019, 3 a.m. 1.4 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A 8.0 μg/m3 (7) 2.4 μg/m3 (10) 26.0
 
July 15, 2019, 2 a.m. 2.1 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) N/A 6.0 μg/m3 (5) 5.6 μg/m3 (23) 25.0
 
July 15, 2019, 1 a.m. 4.4 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) N/A 10.0 μg/m3 (9) 5.7 μg/m3 (24) 27.0
 
July 15, 2019, midnight 2.7 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) N/A 23.0 μg/m3 (21) 7.4 μg/m3 (31) 31.0
 
July 14, 2019, 11 p.m. 3.4 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) N/A 21.0 μg/m3 (19) 9.6 μg/m3 (40) 40.0
 
July 14, 2019, 10 p.m. 2.4 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A 7.0 μg/m3 (6) 0.7 μg/m3 (3) 29.0
 
July 14, 2019, 9 p.m. 1.3 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A 4.0 μg/m3 (4) 1.8 μg/m3 (8) 33.0
 
July 14, 2019, 8 p.m. 1.2 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) N/A 1.0 μg/m3 (1) -0.5 μg/m3 (0) 34.0
 
July 14, 2019, 7 p.m. 1.2 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) N/A N/A 2.3 μg/m3 (10) 35.0
 
July 14, 2019, 6 p.m. 1.3 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) N/A -3.0 μg/m3 (0) 1.7 μg/m3 (7) 35.0
 
July 14, 2019, 5 p.m. 1.3 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) N/A 11.0 μg/m3 (10) 5.3 μg/m3 (22) 34.0
 
July 14, 2019, 4 p.m. 1.4 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) N/A 8.0 μg/m3 (7) 10.7 μg/m3 (45) 45.0
 
July 14, 2019, 3 p.m. 1.3 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A 10.0 μg/m3 (9) 11.3 μg/m3 (47) 47.0
 
July 14, 2019, 2 p.m. 1.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (19) N/A 28.0 μg/m3 (25) 6.1 μg/m3 (25) 25.0
 
July 14, 2019, 1 p.m. 1.9 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) N/A 8.0 μg/m3 (7) 5.9 μg/m3 (25) 25.0
 
July 14, 2019, noon 1.2 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 22.0 ppb (17) N/A 22.0 μg/m3 (20) 4.4 μg/m3 (18) 20.0
 
July 14, 2019, 11 a.m. 1.2 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 21.0 ppb (16) N/A 13.0 μg/m3 (12) 5.3 μg/m3 (22) 22.0
 
July 14, 2019, 10 a.m. 1.2 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 22.0 ppb (17) N/A 10.0 μg/m3 (9) 3.2 μg/m3 (13) 17.0
 
July 14, 2019, 9 a.m. 0.8 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) N/A 8.0 μg/m3 (7) 7.1 μg/m3 (30) 30.0
 
July 14, 2019, 8 a.m. 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A 4.8 μg/m3 (20) 24.0
 
July 14, 2019, 7 a.m. 1.2 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A 0.0 μg/m3 (0) 4.9 μg/m3 (20) 22.0
 
July 14, 2019, 6 a.m. 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A 26.0 μg/m3 (24) 3.9 μg/m3 (16) 24.0
 
July 14, 2019, 5 a.m. 0.8 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A 3.0 μg/m3 (3) 2.9 μg/m3 (12) 25.0
 
July 14, 2019, 4 a.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) N/A 19.0 μg/m3 (17) 4.3 μg/m3 (18) 28.0
 
July 14, 2019, 3 a.m. 1.2 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) N/A 5.0 μg/m3 (5) 6.0 μg/m3 (25) 28.0
 
July 14, 2019, 2 a.m. 1.1 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (29) N/A 7.0 μg/m3 (6) 4.5 μg/m3 (19) 29.0
 
July 14, 2019, 1 a.m. 1.5 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) N/A -3.0 μg/m3 (0) 6.4 μg/m3 (27) 32.0
 
July 14, 2019, midnight 1.0 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) N/A 40.0 μg/m3 (36) 9.2 μg/m3 (38) 38.0
 
July 13, 2019, 11 p.m. 1.0 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A 45.0 μg/m3 (41) 13.1 μg/m3 (52) 52.0
 
July 13, 2019, 10 p.m. 2.8 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) N/A 27.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
July 13, 2019, 9 p.m. 1.5 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A 16.0 μg/m3 (15) 12.8 μg/m3 (52) 52.0
 
July 13, 2019, 8 p.m. 1.4 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A 11.0 μg/m3 (10) 18.7 μg/m3 (64) 64.0
 
July 13, 2019, 7 p.m. 1.5 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A 12.0 μg/m3 (11) 4.2 μg/m3 (18) 35.0
 
July 13, 2019, 6 p.m. 1.6 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A 9.0 μg/m3 (8) 10.8 μg/m3 (45) 45.0
 
July 13, 2019, 5 p.m. 1.2 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A 34.0 μg/m3 (31) 21.0 μg/m3 (69) 69.0
 
July 13, 2019, 4 p.m. 1.2 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) N/A 29.0 μg/m3 (26) 9.9 μg/m3 (41) 41.0
 
July 13, 2019, 3 p.m. 1.3 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A 21.0 μg/m3 (19) 7.5 μg/m3 (31) 31.0
 
July 13, 2019, 2 p.m. 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A 16.0 μg/m3 (15) 5.7 μg/m3 (24) 24.0
 
July 13, 2019, 1 p.m. 1.2 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A 11.0 μg/m3 (10) 7.2 μg/m3 (30) 30.0
 
July 13, 2019, noon 0.5 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
July 13, 2019, 11 a.m. 0.9 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A 7.0 μg/m3 (6) 4.1 μg/m3 (17) 24.0
 
July 13, 2019, 10 a.m. 0.9 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A 11.0 μg/m3 (10) 4.2 μg/m3 (18) 25.0
 
July 13, 2019, 9 a.m. 0.7 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A 5.0 μg/m3 (5) 5.9 μg/m3 (25) 25.0
 
July 13, 2019, 8 a.m. 0.9 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A 14.0 μg/m3 (13) -1.1 μg/m3 (0) 25.0
 
July 13, 2019, 7 a.m. 0.7 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) N/A 22.0 μg/m3 (20) 2.8 μg/m3 (12) 27.0
 
July 13, 2019, 6 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A 32.0 μg/m3 (29) 4.2 μg/m3 (18) 29.0
 
July 13, 2019, 5 a.m. 1.1 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A 61.0 μg/m3 (53) 1.3 μg/m3 (5) 53.0
 
July 13, 2019, 4 a.m. 1.5 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A 24.0 μg/m3 (22) 1.9 μg/m3 (8) 26.0
 
July 13, 2019, 3 a.m. 1.2 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) N/A 9.0 μg/m3 (8) 5.7 μg/m3 (24) 28.0
 
July 13, 2019, 2 a.m. 2.5 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) N/A 9.0 μg/m3 (8) 2.9 μg/m3 (12) 27.0
 
July 13, 2019, 1 a.m. 2.7 ppb (3) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) N/A 17.0 μg/m3 (15) -0.7 μg/m3 (0) 28.0
 
July 13, 2019, midnight 1.5 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A 11.0 μg/m3 (10) 8.3 μg/m3 (35) 35.0
 
July 12, 2019, 11 p.m. 4.3 ppb (4) 1.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) N/A 15.0 μg/m3 (14) 5.4 μg/m3 (23) 32.0
 
July 12, 2019, 10 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A 5.0 μg/m3 (5) 4.8 μg/m3 (20) 33.0
 
July 12, 2019, 9 p.m. 1.2 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A 9.0 μg/m3 (8) 4.9 μg/m3 (20) 33.0
 
July 12, 2019, 8 p.m. 1.2 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A 8.0 μg/m3 (7) 5.5 μg/m3 (23) 33.0
 
July 12, 2019, 7 p.m. 1.3 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A 15.0 μg/m3 (14) 2.2 μg/m3 (9) 32.0
 
July 12, 2019, 6 p.m. 1.1 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A 7.0 μg/m3 (6) 7.2 μg/m3 (30) 32.0
 
July 12, 2019, 5 p.m. 1.1 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (29) N/A N/A 10.6 μg/m3 (44) 44.0
 
July 12, 2019, 4 p.m. 2.0 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) N/A 16.0 μg/m3 (15) 8.5 μg/m3 (35) 35.0
 
July 12, 2019, 3 p.m. 2.0 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A 10.0 μg/m3 (9) 10.1 μg/m3 (42) 42.0
 
July 12, 2019, 2 p.m. 1.2 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A 18.0 μg/m3 (16) 3.9 μg/m3 (16) 23.0
 
July 12, 2019, 1 p.m. 1.6 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A 13.0 μg/m3 (12) 6.4 μg/m3 (27) 27.0
 
July 12, 2019, noon 1.5 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A 6.0 μg/m3 (5) 5.1 μg/m3 (21) 22.0
 
July 12, 2019, 11 a.m. 1.5 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A 10.0 μg/m3 (9) 4.8 μg/m3 (20) 23.0
 
July 12, 2019, 10 a.m. 1.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A 6.0 μg/m3 (5) 4.8 μg/m3 (20) 23.0
 
July 12, 2019, 9 a.m. 1.1 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A 7.0 μg/m3 (6) 4.1 μg/m3 (17) 24.0
 
July 12, 2019, 8 a.m. 1.2 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 1.3 μg/m3 (5) 25.0
 
July 12, 2019, 7 a.m. 1.4 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 0.7 μg/m3 (3) 25.0
 
July 12, 2019, 6 a.m. 0.9 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A 0.0 μg/m3 (0) 1.5 μg/m3 (6) 25.0
 
July 12, 2019, 5 a.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) N/A 7.0 μg/m3 (6) 1.8 μg/m3 (8) 27.0
 
July 12, 2019, 4 a.m. 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) N/A 4.0 μg/m3 (4) 2.5 μg/m3 (10) 28.0
 
July 12, 2019, 3 a.m. 2.0 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) N/A 4.0 μg/m3 (4) 0.5 μg/m3 (2) 27.0
 
July 12, 2019, 2 a.m. 1.2 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) N/A 0.0 μg/m3 (0) 1.7 μg/m3 (7) 27.0
 
July 12, 2019, 1 a.m. 2.3 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A 10.0 μg/m3 (9) 1.6 μg/m3 (7) 29.0
 
July 12, 2019, midnight 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A 30.0 μg/m3 (27) 1.1 μg/m3 (5) 35.0
 
July 11, 2019, 11 p.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) N/A 31.0 μg/m3 (28) -1.9 μg/m3 (0) 34.0
 
July 11, 2019, 10 p.m. 1.7 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A 14.0 μg/m3 (13) 2.5 μg/m3 (10) 32.0
 
July 11, 2019, 9 p.m. 2.4 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A 16.0 μg/m3 (15) 4.9 μg/m3 (20) 33.0
 
July 11, 2019, 8 p.m. 1.1 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A 15.0 μg/m3 (14) -0.4 μg/m3 (0) 33.0
 
July 11, 2019, 7 p.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) N/A 6.0 μg/m3 (5) 4.3 μg/m3 (18) 34.0
 
July 11, 2019, 6 p.m. 1.3 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A 8.0 μg/m3 (7) 4.8 μg/m3 (20) 32.0
 
July 11, 2019, 5 p.m. 0.9 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A 15.0 μg/m3 (14) 6.5 μg/m3 (27) 30.0
 
July 11, 2019, 4 p.m. 1.3 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A 19.0 μg/m3 (17) 9.4 μg/m3 (39) 39.0
 
July 11, 2019, 3 p.m. 1.5 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A 8.0 μg/m3 (7) 5.6 μg/m3 (23) 23.0
 
July 11, 2019, 2 p.m. 1.6 ppb (1) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 28.0 ppb (22) N/A 16.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
July 11, 2019, 1 p.m. 1.3 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 28.0 ppb (22) N/A 11.0 μg/m3 (10) 4.2 μg/m3 (18) 22.0
 
July 11, 2019, noon 1.2 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A 12.0 μg/m3 (11) 5.5 μg/m3 (23) 23.0
 
July 11, 2019, 11 a.m. 1.6 ppb (1) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A 4.0 μg/m3 (4) 5.0 μg/m3 (21) 23.0
 
July 11, 2019, 10 a.m. 0.9 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A 6.0 μg/m3 (5) 5.2 μg/m3 (22) 24.0
 
July 11, 2019, 9 a.m. 0.6 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A 4.0 μg/m3 (4) 5.4 μg/m3 (23) 24.0
 
July 11, 2019, 8 a.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A 3.0 μg/m3 (3) 2.4 μg/m3 (10) 25.0
 
July 11, 2019, 7 a.m. 0.5 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A -1.0 μg/m3 (0) 4.5 μg/m3 (19) 19.0
 
July 11, 2019, 6 a.m. 0.9 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 2.4 μg/m3 (10) 25.0
 
July 11, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 7.8 μg/m3 (32) 32.0
 
July 11, 2019, 4 a.m. 1.2 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A -1.0 μg/m3 (0) 0.7 μg/m3 (3) 24.0
 
July 11, 2019, 3 a.m. 1.5 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A 1.0 μg/m3 (1) 1.8 μg/m3 (8) 25.0
 
July 11, 2019, 2 a.m. 1.6 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A 14.0 μg/m3 (13) -0.6 μg/m3 (0) 25.0